+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268256 (2005 NO19) Classification: Main-belt Asteroid          SPK-ID: 2268256 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1981365781048076 4.3702e-08   a 2.36876725540498 1.2012e-08 au q 1.899427817092321 9.9306e-08 au i 1.006658619673255 5.5955e-06 deg node 182.1724481457634 0.00023096 deg peri 145.4471619301726 0.00023143 deg M 12.56356367524728 1.4059e-05 deg tp 2458954.027893605011 (2020-Apr-14.52789361) 5.1823e-05 TDB period 1331.625224708933 3.65 1.0129e-05 2.773e-08 d yr n .2703463356806634 2.0563e-09 deg/d Q 2.83810669371764 1.4391e-08 au   Orbit Determination Parameters    # obs. used (total)      216      data-arc span      5633 days (15.42 yr)      first obs. used      2005-06-15      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58778      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:22:10   Additional Information  Earth MOID = .888087 au   Jupiter MOID = 2.50533 au   T_jup = 3.519  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.5   n/a MPO433741   268256 (2005 NO19)          Discovered 2005-Jul-05 by Mt. Lemmon Survey at Mount Lemmon Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 08:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin